Zarn, Mark <br/><br/>
Wild free-roaming horses :  status of present knowledge / 
Mark Zarn ... [et al.]. 
 - [Washington] :  U.S. Department of the Interior, Bureau of Land Management,  1977. 
 - 72 p. ;  il., mapas ;  28 cm. 
<br/><br/>Bibliografía: p. 66-72 
<br/><br/><br/>Inglés 
<br/><br/><label>Subjects--Index Terms: </label>Wild horses Caballos salvajes 
<br/><br/><label>Dewey Class. No.: </label>599.6655